Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Recognizing the Challenges of Custodial Care The goal for most, when planning for retirement, is to ensure financial independence and never run out of money. Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement.